SLVU677A August 2012 – August 2021 TPS54494

2 Performance Specification Summary

A summary of the TPS54494 EVM performance specifications is provided in Table 2-1. Specifications are given for an input voltage of V_INx = 12 V and an output voltage of 3.3 V and 1.5 V, unless otherwise noted. The ambient temperature is 25°C for all measurement, unless otherwise noted.

Table 2-1 TPS54494 EVM Performance Specifications Summary

Specifications		Test Conditions	Min	Typ	Max	Unit
Input voltage range (V_INx)			⁽¹⁾	12	18	V
Output voltages	V_OUT1			3.3		V
Output voltages	V_OUT2			1.5		V
Operating frequency		V_IN1, V_IN2 = 12 V, I_OUT1 = 2 A, I_OUT2 = 1 A		700		kHz
Output current range	CH1		0		4	A
Output current range	CH2		0		2	A
Line regulation, V_OUT1		I_OUT1 = 2 A, I_OUT2 = 0 A, V_IN1, V_IN2= 6 V to 18 V		+0.25 , -0.52		%
Line regulation, V_OUT2		I_OUT2 = 1 A, I_OUT1 = 0 A, V_IN1, V_IN2= 5 V to 18 V		+0.2, -0.4		%
Load regulation, V_OUT1		V_IN1, V_IN2 = 12 V, I_OUT1 = 0 A to 4 A		+0.65, -0.1		%
Load regulation, V_OUT2		V_IN1, V_IN2 = 12 V, I_OUT2 = 0 A to 2 A		+0.6, -0.05		%
Over current limit, V_OUT1		V_IN1 = 12 V, L₁ = 2.2 µH	4.5	5.7	7.0	A
Over current limit, V_OUT2		V_IN2 = 12 V, L₁ = 1.5 µH	2.8	3.9	5.0	A
Output ripple voltage, V_OUT1		V_IN1 = 12 V, I_OUTx = 4 A		15		mV_PP
Output ripple voltage, V_OUT2		V_IN2 = 12 V, I_OUTx = 2 A		25		mV_PP
Maximum efficiency, V_OUT1		V_IN1 = 5 V, I_OUTx= 0.7 A		94.9%
Maximum efficiency, V_OUT2		V_IN2 = 5 V, I_OUTx= 0.7 A		90.1%

(1) See Table 1-1